2pcs Rf Coaxial Cable Connector Mcx Male to N Female Rg316 15cm used on amateur radio devices MCX connector are frequently used to connect external antennas to GPS receivers. They are also common on USB DVB-T tuners for computers and laptops, to connect an external antenna to the tuner N-type screw connector for the air for the low cost of insulating materials, the impedance of 50 and 75, the frequency up to 11GHz is usually used for regional networks, media transmission and testing equipment It has a frequency bandwidth, excellent performance, high reliability, long life characteristics Coaxial cable is used as a transmission line for radio frequency signals. Its applications include feedlines connecting radio transmitters and receivers with their antennas, computer network (Internet) connections, digital audio (S/PDIF), and distributing cable television signals Impedance :50 ohm